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41. The human naked eye can differentiate between two points which are __________ apart?
A. 1.0 mm
B. 0.1 mm
C. 1.0 cm
D. 1.0 dm
42. _____________ is a nervous disorder characterized by involuntary tremors, diminished motor power and rigidity?
A. Epilepsy
B. Meningitis
C. Alzheimer’s disease
D. Parkinson’s disease
43. Of the following which one is not the characteristic of mitochondria?
A. It contains F1 particles
B. It is involved in the synthesis of protein
C. It is a self replicating organelle
D. Number of mitochondria is constant
44. In human female, fertilization commonly occurs at______________?
A. Proximal part of oviduct
B. Distal part of oviduct
C. Uterus
D. Cervix
45. The part of chloroplast where CO2 is fixed to manufacture sugar is__________?
A. Stroma
B. Grana
C. Thylakoid
D. Outer membrane
46. Highest form of learning is__________________?
A. Latent learning
B. Insight learning
C. Operant conditioning
D. Instinct
47. Which of the following hormone is polypeptide in nature____________?
A. Insulin
B. Thyroxine
C. ADH
D. Cortisone
48. Ribosomes are assembled in__________?
A. Nucleolus
B. Nucleus
C. DNA
D. RNA
49. Far-red light promotes flowering in_______________?
A. Short day plant
B. Long day plant
C. Day neutral plant
D. None of these
50. Which of the following is not present in mitochondria?
A. Enzymes
B. Co-enzymes
C. Ribosomes
D. Thylakoids